why is there no way to register, I can see it here, you create an account and register?
https://www.roland.com/backstage/signup?_ga=2.14518455.1626175452.1602516017-1368471226.1602516017
anyway this is the address
Roland Corporation U.S.
5100 S. Eastern Ave.
Los Angeles, CA 90040-2938
323-890-3700
Driving Directions
https://www.roland.com/us/company/contact_us/
Product Support by Phone
If you need operational assistance, you can contact our Product Support department at (323) 890-3740. Product Support is open Monday through Friday, 8:30am to 5:00pm Pacific Time.
Phone support is provided for select Roland and BOSS products purchased in the U.S. only. Click here for a complete list of eligible products.
( I've checked your AE-10 is in the list of eligible products)
https://www.roland.com/backstage/signup?_ga=2.14518455.1626175452.1602516017-1368471226.1602516017
anyway this is the address
Roland Corporation U.S.
5100 S. Eastern Ave.
Los Angeles, CA 90040-2938
323-890-3700
Driving Directions
https://www.roland.com/us/company/contact_us/
Product Support by Phone
If you need operational assistance, you can contact our Product Support department at (323) 890-3740. Product Support is open Monday through Friday, 8:30am to 5:00pm Pacific Time.
Phone support is provided for select Roland and BOSS products purchased in the U.S. only. Click here for a complete list of eligible products.
( I've checked your AE-10 is in the list of eligible products)